28548573252 has 24 divisors (see below), whose sum is σ = 66632748000. Its totient is φ = 9513418176.

The previous prime is 28548573203. The next prime is 28548573271. The reversal of 28548573252 is 25237584582.

It is a junction number, because it is equal to n+sod(n) for n = 28548573195 and 28548573204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303502 + ... + 386277.

It is an arithmetic number, because the mean of its divisors is an integer number (2776364500).

Almost surely, 2^28548573252 is an apocalyptic number.

It is an amenable number.

28548573252 is an abundant number, since it is smaller than the sum of its proper divisors (38084174748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28548573252 is a wasteful number, since it uses less digits than its factorization.

28548573252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693235 (or 693233 counting only the distinct ones).

The product of its digits is 5376000, while the sum is 51.

The spelling of 28548573252 in words is "twenty-eight billion, five hundred forty-eight million, five hundred seventy-three thousand, two hundred fifty-two".